Revert "Temporary fix for a compiler issue (2356634)."

This reverts commit f25ebd0f5ce1df849b850c79a95de370aaa326c6.

A new compiler has been checked in which fixes the underlying issue.
diff --git a/stl/_limits.c b/stl/_limits.c
index 22f63fb..f56489b 100644
--- a/stl/_limits.c
+++ b/stl/_limits.c
@@ -262,9 +262,7 @@
 template <class __dummy>
 double _STLP_CALL _LimG<__dummy>::get_D_inf() {
   _D_rep _D_inf = {_STLP_DOUBLE_INF_REP};
-  // FIXME(ANDROID): Temporary fix to get around compiler bug
-  //return _D_inf.val;
-  return __builtin_inf();
+  return _D_inf.val;
 }
 template <class __dummy>
 double _STLP_CALL _LimG<__dummy>::get_D_qNaN() {